Honeywell 50 VA general purpose transformers power 24Vac circuits. Features Color-coded lead wires for primary connections and screw terminals for secondary connectionsIncludes fixed 1/4 inch (6mm) male quick-connects (AT150A models only) or color-coded lead wires for primary and secondary connectionsMeets Underwriters Laboratories Standard UL 1585Identified Class 2 not wet, Class 3 wet Product Specifications Dimensions (in.)1 11/16 in. high x 3 3/16 in. wide x 1 3/4 in. deepDimensions (mm)43...

Honeywell Pressure Controller 1 psi - 5 psi Adj. The PA404 is a series 40 (2-wire, SPST) pressuretrol controller for use in 24, 120, 240 or 277 volt control circuits or in self powered (millivoltage) applications. Features The PA404A is a pressure actuated high limit, safety control for steam heating boilers. It breaks an electrical circuit to shut down the burner if steam pressure rises above a safe level.The PA404B is used with suspension-type unit heaters to make the fan circuit when a...

HoneyWell Reverse Acting Pressuretrol controller with additive 1 to 5 psi differential pressure. The PA404 is a series 40 (2-wire, SPST) pressuretrol controller for use in 24, 120, 240 or 277 volt control circuits or in self powered (millivoltage) applications. Features The PA404A is a pressure actuated high limit, safety control for steam heating boilers. It breaks an electrical circuit to shut down the burner if steam pressure rises above a safe level.The PA404B is used with...

Honeywell Pressuretrol® Controllers, Auto recycle, 2 psi to 15 psi.Provide operating control with automatic limit protection for pressure systems up to 300 psi (2068 kPa).FeaturesUse with steam, air, noncombustible gases, or fluids non-corrosive to pressure sensing element.Models have snap-acting switching to open or close a circuit on pressure rise.Have adjustable differentials.Adjustments are made by screws on top of case.Mount using 1/4 inch -18 NPT internal pipe threads or surface...

Honeywell Manual Reset Pressuretrol® Limit Controller, 2 psi to 15 psi. High pressure limit switches. Features Stainless steel diaphragm for use with steam, air, noncombustible gases and fluids non-corrosive to stainless steel.L4079W is for Oil Applications.Micro Switch™ snap-acting switches open automatically on pressure rise; must be manually reset.Mount using 1/4 in. NPT female fitting on diaphragm assembly or surface mount through back of case. ...

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 ...

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,...

              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...

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...

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...

Honeywell Protectorelay® Oil Burner Control with 45 second safety timing and manual safety switch. Provides automatic, nonrecycling control of an intermittent ignition oil burner system. Features Controls oil burner, oil valve (if desired) and the ignition transformer in response to a call for heat.Solid state flame sensing circuit.LED on terminal strip indicates system lockout (available on some models).Remote lockout indication (available on some models).Enclosed safety switch with...

Honeywell Universal electronic oil primary with programmable parameters and LCD display. The R7284 oil primary is a digital, universal primary control, engineered to address the most common industry needs. The R7284U parameters are user defined and provides detailed actionable diagnostics. Features A single part number for nearly all applications helps reduce inventory cost16 character two line tri-lingual display provides simple programming and diagnostics on select modelsEnunciation of...