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Honeywell  L4006B1163 Circulator (Make on Temp Rise SPST) Aquastat, 100-240°F range, 5-30°F Adj Differential
Price: $115.00
Availability: In stock
Honeywell Item #: L4006B1163 -

Aquastat® Controllers are immersion type devices for limiting or regulating the temperature of liquids in boilers, storage tanks, and other applications where temperature control is required. Honeywell's L4006 are used in applications that utilize the existing wells Features Totally enclosed Micro Switch™ snap-acting switches operate on temperature rise to setpoint.Visible control point scale and external adjustment screw permit easy setting.Horizontal or vertical insertion of the sensing...

Honeywell 121371A 1/2" Well For Aquastat
Price: $15.00
Availability: In stock
Honeywell Item #: 121371A -

Honeywell 121371B 3/4" Well for Aquastat
Price: $25.00
Availability: In stock
Honeywell Item #: 121371B -

Honeywell 121371M 3/4" Extended Well for Aquastat aquastat,well,honeywell,hot,water,boiler
Price: $45.00
Availability: In stock
Honeywell Item #: 121371M -

Honeywell 50001464-001 12" Sensor for L7224U Aquastat Relay
Price: $35.00
Availability: In stock
Honeywell Item #: 50001464-001 -

Honeywell L4006A1959 Low Range Aquastat
Price: $125.00
Availability: In stock
Honeywell Item #: L4006A1959 -

Aquastat, breaks on rise, 40 -180F range, 180F factory stop, Non–adjustable differential, less well Aquastat® Controllers are immersion type devices for limiting or regulating the temperature of liquids in boilers, storage tanks, and other applications where temperature control is required. Honeywell's L4006 are used in applications that utilize the existing wells Features Totally enclosed Micro Switch™ snap-acting switches operate on temperature rise to setpoint.Visible control point scale...

Honeywell L4006A1967 Aquastat, Breaks on Rise, 100-240F Range, 240 Factory Stop, 5-30F Adjustable Differential with 1/2" Well
Price: $115.00
Availability: In stock
Honeywell Item #: L4006A1967 -

OverviewAquastat® Controllers are immersion type devices for limiting or regulating the temperature of liquids in boilers, storage tanks, and other applications where temperature control is required. Honeywell's L4006 are used in applications that utilize the existing wellsFeaturesTotally enclosed Micro Switch™ snap-acting switches operate on temperature rise to setpoint.Visible control point scale and external adjustment screw permit easy setting.Horizontal or vertical insertion of the...

Honeywell L4006A2007 Aquastat
Price: $105.00
Availability: In stock
Honeywell Item #: L4006A2007 -

Aquastat, breaks on rise, 100-240F range, 5-30F adj diff, less well, 3 in. insulation Aquastat® Controllers are immersion type devices for limiting or regulating the temperature of liquids in boilers, storage tanks, and other applications where temperature control is required. Honeywell's L4006 are used in applications that utilize the existing wells Features Totally enclosed Micro Switch™ snap-acting switches operate on temperature rise to setpoint.Visible control point scale and external...

Honeywell L4006E1000 Manuel Reset Aquastat
Price: $125.00
Availability: In stock
Honeywell Item #: L4006E1000 -

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Honeywell L4006H1004  Surface Mount Manual Reset Aquastat
Price: $180.00
Availability: In stock
Honeywell Item #: L4006H1004 -

Aquastat, breaks on rise, 100-240F range, 240F factory stop, manual reset less well ...

Honeywell L4008A1015 Remote Aquastat w/5 Capilary
Price: $135.00
Availability: In stock
Honeywell Item #: L4008A1015 -

High or Low limit manual reset Aquastat, 100F – 240F, 66” capillary, 5F to 30F adj differential. For limiting or regulating temperature of liquids in boilers or tanks. Can also sense duct or outside air temperature. Features Remote temperature sensing element detects and responds rapidly to temperature changes.Totally enclosed Single Pole Single Throw (SPST) Micro Switch™ snap-acting switch.Visible control point scale and external adjustment screw permit easy setting.Horizontal and/or vertical...

Honeywell L4008E1156 Remote Manual Reset Aquastat w/5 Capilary
Price: $150.00
Availability: In stock
Honeywell Item #: L4008E1156 -

High limit manual reset Aquastat, 130F – 270F, 66 in capillary, factory stop at 250F For limiting or regulating temperature of liquids in boilers or tanks. Can also sense duct or outside air temperature. Features Remote temperature sensing element detects and responds rapidly to temperature changes.Totally enclosed Single Pole Single Throw (SPST) Micro Switch™ snap-acting switch.Visible control point scale and external adjustment screw permit easy setting.Horizontal and/or vertical mounting of...

Honeywell L4081A1023 Dual Aquastat High limit, Low Limit and/or Circulator Control 130-240F w/3/4" Well
Price: $190.00
Availability: In stock
Honeywell Item #: L4081A1023 -

OverviewHigh limit, low limit and/or circulator controllers used to regulate boiler water temperature in gas- or oil-fired hydronic heating systems.FeaturesAn immersion type liquid-filled sensing element actuates two snap switches.One switch operates as a high limit control.The other switch operates as a low limit and/or circulator control, depending on the model.Controller may be mounted in any positioning and needs no leveling.Separate, easy-to-read, calibrated dial and setpoint adjustments...

Honeywell L4081B1047 Dual Aquastat High Limit, Low Limit and/or Circulator Control 130-240F - 10-25 Adjustable Differantial
Price: $190.00
Availability: In stock
Honeywell Item #: L4081B1047 -

OverviewHigh limit, low limit and/or circulator controllers used to regulate boiler water temperature in gas- or oil-fired hydronic heating systems.FeaturesAn immersion type liquid-filled sensing element actuates two snap switches.One switch operates as a high limit control.The other switch operates as a low limit and/or circulator control, depending on the model.Controller may be mounted in any positioning and needs no leveling.Separate, easy-to-read, calibrated dial and setpoint adjustments...

Honeywell L4081B1096 Dual Aquastat High/Low Limit Circulator Aquastat Control 10F Fixed Differential
Price: $205.00
Availability: In stock
Honeywell Item #: L4081B1096 -

OverviewHigh limit, low limit and/or circulator controllers used to regulate boiler water temperature in gas- or oil-fired hydronic heating systems. FeaturesAn immersion type liquid-filled sensing element actuates two snap switches.One switch operates as a high limit control.The other switch operates as a low limit and/or circulator control, depending on the model.Controller may be mounted in any positioning and needs no leveling.Separate, easy-to-read, calibrated dial and setpoint adjustments...

Honeywell L6006A1145 High or low limit horizontal mount controller with SPDT, operating range 100-240F, 3 inch capillary.
Price: $130.00
Availability: In stock
Honeywell Item #: L6006A1145 -

Aquastat® Controllers are immersion type devices for limiting or regulating the temperature of liquids in boilers, storage tanks, and other applications where temperature control is required. Features Totally enclosed Micro Switch™ snap-acting switches operate on temperature rise to set point.Visible control point scale and external adjustment screw permit easy setting.Horizontal or vertical insertion of the sensing element.Direct, well immersion, or surface mounting of the sensing element...

Honeywell L6006A1244 SPDT Switching High/low limit Aquastat Controller for
Price: $120.00
Availability: In stock
Honeywell Item #: L6006A1244 -

Aquastat® Controllers are immersion type devices for limiting or regulating the temperature of liquids in boilers, storage tanks, and other applications where temperature control is required. Features Totally enclosed Micro Switch™ snap-acting switches operate on temperature rise to set point.Visible control point scale and external adjustment screw permit easy setting.Horizontal or vertical insertion of the sensing element.Direct, well immersion, or surface mounting of the sensing element...

Honeywell L6006C1018 Surface Mount Aquastat
Price: $120.00
Availability: In stock
Honeywell Item #: L6006C1018 -

p>High or low limit surface mount controller with SPDT, operating range 65-200F, factory stop at 200F. Aquastat® Controllers are immersion type devices for limiting or regulating the temperature of liquids in boilers, storage tanks, and other applications where temperature control is required. FeaturesTotally enclosed Micro Switch™ snap-acting switches operate on temperature rise to set point.Visible control point scale and external adjustment screw permit easy setting.Horizontal or...

Honeywell L6008A1192 Low Limit cntroller with 66 inch capillary, SPDT, operating range 100 - 240F, factory stop at 240F
Price: $205.00
Availability: In stock
Honeywell Item #: L6008A1192 -

OverviewAquastat® Controllers are immersion type devices for limiting or regulating the temperature of liquids in boilers, storage tanks, and other applications where temperature control is required.FeaturesRemote temperature sensing element detects and responds rapidly to temperature changes.Totally enclosed Micro Switch™ snap-acting switch.Visible control point scale and external adjustment screw permit easy setting.Available horizontal or vertical mounting of the remote element into boiler,...

Honeywell L6081A1036 High and Low limit Aquastat Controller
Price: $210.00
Availability: In stock
Honeywell Item #: L6081A1036 -

oduct InfoLiteratureOverviewHigh limit, low limit and/or circulator controllers used to regulate boiler water temperature in gas- or oil-fired hydronic heating systems.FeaturesAn immersion type liquid-filled sensing element actuates two snap switches.One switch operates as a high limit control.The other switch operates as a low limit and/or circulator control, depending on the model.Controller may be mounted in any positioning and needs no leveling.Separate, easy-to-read, calibrated dial and...

Honeywell L7224U1002 Universal Electronic Oil Aquastat with EnviraCOM communication
Price: $180.00
Availability: In stock
Honeywell Item #: L7224U1002 -

OverviewThe L7224U Oil Electronic Aquastat® Controller provides electronic temperature sensing in a UL limit-rated controller; controls the circulator, oil burner and boiler temperature; and provides status, LED diagnostic and EnviroCOM communication. Product SpecificationsApplicationOil Aquastat ControllerDimensions (in.)7 1/8 in. high x 4 1/4 in. wide x 2 5/8 in. deepDimensions (mm)181 mm high x 109 mm wide x 67 mm deepTemperature Range (F)-30 F to 150 FTemperature Range (C)-34 C to 66...

Honeywell L8124A1007 Triple Aquastat Relay (120-Volt) Oil Verticle Mount
Price: $265.00
Availability: In stock
Honeywell Item #: L8124A1007 -

Immersion-type controllers that combine high limit protection with low limit and circulator control in forced hydronic heating systems, including domestic hot water service. Features Immersion-type controllers that combine high limit protection with low limit and circulator control in forced hydronic heating systems.Provide multizone control by using a separate circulator and R845 Relay for each zone.Include diaphragm powerhead and Micro Switch™ assembly that respond to temperature changes in...

Honeywell L8124A1015 Triple Aquastat Relay (120-Volt) for oil applications, vertical case, 3 inch insulation depth
Price: $265.00
Availability: In stock
Honeywell Item #: L8124A1015 -

Triple Aquastat Relay(120volt) for oil applications, vertical case, 3 inch insulation depth. Immersion-type controllers that combine high limit protection with low limit and circulator control in forced hydronic heating systems, including domestic hot water service. Features Immersion-type controllers that combine high limit protection with low limit and circulator control in forced hydronic heating systems.Provide multizone control by using a separate circulator and R845 Relay for each...

Honeywell L8124A1130 Triple Aquastat (120-Volt) High limit protection low limit and circulation control Triple Aquastat Relay
Price: $265.00
Availability: In stock
Honeywell Item #: L8124A1130 -

Immersion-type controllers that combine high limit protection with low limit and circulator control in forced hydronic heating systems, including domestic hot water service. Features Immersion-type controllers that combine high limit protection with low limit and circulator control in forced hydronic heating systems.Provide multizone control by using a separate circulator and R845 Relay for each zone.Include diaphragm powerhead and Micro Switch™ assembly that respond to temperature changes in...

Honeywell L8124C1003 Triple Aquastat Relay (120-Volt) for oil applications, horizontal case, 1.5 inch insulation depth
Price: $265.00
Availability: In stock
Honeywell Item #: L8124C1003 -

Immersion-type controllers that combine high limit protection with low limit and circulator control in forced hydronic heating systems, including domestic hot water service. Features Immersion-type controllers that combine high limit protection with low limit and circulator control in forced hydronic heating systems.Provide multizone control by using a separate circulator and R845 Relay for each zone.Include diaphragm powerhead and Micro Switch™ assembly that respond to temperature changes in...

Honeywell L8124C1094 Triple Aquastat Relay with High limit
Price: $250.00
Availability: In stock
Honeywell Item #: L8124C1094 -

Immersion-type controllers that combine high limit protection with low limit and circulator control in forced hydronic heating systems, including domestic hot water service. Features Immersion-type controllers that combine high limit protection with low limit and circulator control in forced hydronic heating systems.Provide multizone control by using a separate circulator and R845 Relay for each zone.Include diaphragm powerhead and Micro Switch™ assembly that respond to temperature changes in...

Honeywell L8124E1016 24Volt Triple Aquastat Relay
Price: $285.00
Availability: In stock
Honeywell Item #: L8124E1016 -

p>Immersion-type controllers that combine high limit protection with low limit and circulator control in forced hydronic heating systems, including domestic hot water service. Features Immersion-type controllers that combine high limit protection with low limit and circulator control in forced hydronic heating systems.Provide multizone control by using a separate circulator and R845 Relay for each zone.Include diaphragm powerhead and Micro Switch™ assembly that respond to temperature...

Honeywell L8148A1017 Aquastat Relay
Price: $195.00
Availability: In stock
Honeywell Item #: L8148A1017 -

OverviewImmersion-type controllers that combine high limit protection with switching relay control of burner and circulator motors. FeaturesHigh limit opens burner circuit only.Select models include transformer and accessory terminals for adding a remote low limit controller.Case available for horizontal or vertical mounting.Requires a 24 Vac thermostat with heat anticipator set at 0.2A.TRADELINE models include well adapter, tube of heat conductive compound and range stops.. Product...

Honeywell L8148E1265 Aquastat Relay
Price: $235.00
Availability: In stock
Honeywell Item #: L8148E1265 -

Honeywell Aquastat Relay, 180 – 240 F range with 15 degree F fixed differential, low(24v) volt. Immersion-type controllers that combine high limit protection with switching relay control of burner and circulator motors. FeaturesHigh limit opens burner circuit only.Select models include transformer and accessory terminals for adding a remote low limit controller.Case available for horizontal or vertical mounting.Requires a 24 Vac thermostat with heat anticipator set at 0.2A.TRADELINE...

Honeywell L8148J1009 Aquastat Relay
Price: $235.00
Availability: In stock
Honeywell Item #: L8148J1009 -

Honeywell Aquastat Relay, 180 – 240 F range with 15 degree F fixed differential, low volt/millivolt. Immersion-type controllers that combine high limit protection with switching relay control of burner and circulator motors. Features High limit opens burner circuit only.Select models include transformer and accessory terminals for adding a remote low limit controller.Case available for horizontal or vertical mounting.Requires a 24 Vac thermostat with heat anticipator set at 0.2A.TRADELINE...

Honeywell PV075 3/4" Threaded Supervent Air Eliminator
Price: $85.00
Availability: In stock
Honeywell Item #: PV075S -

The Honeywell SuperVent, purges air through a no clog vent assembly, to control dirt and debris and minimize air vent fouling in Hydronic heating systems, while eliminating the need for bleeding. Features No clog vent.Dirt and Debris resistant.360 degree adjustable collar ring for installation flexibility.Stainless steel concentrator which eliminates gurgling noise.Bronze body for rigid construction.Threaded connections. Product Specifications ApplicationResidential or Commercial closed loop...

Honeywell PV075 3/4" Threaded Supervent Air Eliminator.
Price: $95.00
Availability: In stock
Honeywell Item #: PV075 -

The Honeywell SuperVent, purges air through a no clog vent assembly, to control dirt and debris and minimize air vent fouling in Hydronic heating systems, while eliminating the need for bleeding. Features No clog vent.Dirt and Debris resistant.360 degree adjustable collar ring for installation flexibility.Stainless steel concentrator which eliminates gurgling noise.Bronze body for rigid construction.Threaded connections.3/4 inch NPT Supervent Air Eliminator PV075 ...

Honeywell PV100 1"
Price: $95.00
Availability: In stock
Honeywell Item #: PV100 -

1 in. NPT connection SuperVent The Honeywell SuperVent, purges air through a no clog vent assembly, to control dirt and debris and minimize air vent fouling in Hydronic heating systems, while eliminating the need for bleeding. Features No clog vent.Dirt and Debris resistant.360 degree adjustable collar ring for installation flexibility.Stainless steel concentrator which eliminates gurgling noise.Bronze body for rigid construction.Threaded connections.Honeywell PV100/U Super Vent Micro Bubbler,...

Honeywell PV100S 1" Sweat Supervent Air Eliminator
Price: $95.00
Availability: In stock
Honeywell Item #: PV100S -

1 in. NPT connection SuperVent The Honeywell SuperVent, purges air through a no clog vent assembly, to control dirt and debris and minimize air vent fouling in Hydronic heating systems, while eliminating the need for bleeding. Features No clog vent.Dirt and Debris resistant.360 degree adjustable collar ring for installation flexibility.Stainless steel concentrator which eliminates gurgling noise.Bronze body for rigid construction.Threaded connections. ...

Honeywell PV125 1 1/4" Threaded Supervent Air Elimninator
Price: $125.00
Availability: In stock
Honeywell Item #: PV125 -

              1 1/4 in. NPT connection SuperVent. The Honeywell SuperVent, purges air through a no clog vent assembly, to control dirt and debris and minimize air vent fouling in Hydronic heating systems, while eliminating the need for bleeding. Features No clog vent.Dirt and Debris resistant.360 degree adjustable collar ring for installation flexibility.Stainless steel concentrator which eliminates gurgling noise.Bronze body for rigid construction.Thread...

Honeywell PV125S 1 1/4" Sweat Supervent Air Eliminator
Price: $135.00
Availability: In stock
Honeywell Item #: PV125S -

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Honeywell PV150 1 1/2" Threaded Supervent Air Eliminator
Price: $175.00
Availability: In stock
Honeywell Item #: PV150 -

1 1/2 in. NPT connection SuperVent. The Honeywell SuperVent, purges air through a no clog vent assembly, to control dirt and debris and minimize air vent fouling in Hydronic heating systems, while eliminating the need for bleeding. Features No clog vent.Dirt and Debris resistant.360 degree adjustable collar ring for installation flexibility.Stainless steel concentrator which eliminates gurgling noise.Bronze body for rigid construction.Threaded connections. Product Specifications...

Honeywell PV200 2" Threaded Supervent Air Eliminator
Price: $215.00
Availability: In stock
Honeywell Item #: PV200 -

2 in. NPT connection SuperVent. The Honeywell SuperVent, purges air through a no clog vent assembly, to control dirt and debris and minimize air vent fouling in Hydronic heating systems, while eliminating the need for bleeding. Features No clog vent.Dirt and Debris resistant.360 degree adjustable collar ring for installation flexibility.Stainless steel concentrator which eliminates gurgling noise.Bronze body for rigid construction.Threaded connections. Product Specifications ApplicationResident...

Hydrolevel 3150 120volt Triple Aquastat Relay/Low Water Cutoff
Price: $135.00
Availability: In stock
Hydrolevel Item #: 3150 -

MODEL VOLTAGE DESCRIPTION/OPERATION 3150 120 VAC,60HZ For Oil Boilers. Cold Start or Warm Start, Adjustable Low Temp OFF or 110° to 200°F. Adjustable High Temp 100°F to 220°F. Adjustable Differentials 10°F to 30°F. IMPORTANT: Provides temperature functionality only when installed on existing standard immersion well. LWCO functionality activated when installed on Electro-Well. Replaces: L7124, L7124C, L7148A, L7224A, L7224C, L7224U, L7248C, L8124A, L8124C, L8148A, L8148C ...