Honeywell ST7800A102110 Second Purge Time Card for S7800 Controls

Honeywell ST7800A1054 60 Second Purge Time Card for S7800 Controls

Honeywell ST7800A1062 90 Second Purge Time Card for S7800 Controls

Compact flame detector for use with flame safeguard controls with ultraviolet amplifiers. Features Use with Honeywell Flame Safeguard primary safety controls and burners requiring ultraviolet flame detection.C7027 mounts on a 1/2 in. sighting pipe by using an integral collar.Detectors can be wired in parallel for difficult sighting applications.C7027 seals against pressures up to 5 psi (34.5kPa) when correctly installed.Allows for blast tube mounting due to compact size.C7044 mounts with a two...

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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...

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...