Honeywell Protectorelay controller For oil boiler. ( ALSO CALLED STACK RELAY) New in original box - seal to box opened.Box shows wear from storageNew old stock, perfect for replacements or retrofits. No Returns unless not as specified.
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
New, never used in original boxThe L4031A,C Pool Heater Aquastat units are designed to control pool water temperatures and provide high limit boiler control
LOT OF 10 UNDER FLOOR HEAT MANIFOLD ZONE VALVE THERMAL ACTUATORS Enjoy unsurpassed comfort, and energy savings when each zone in your home or shop is kept at the exact temperature you want. Why heat your entire home when only one area needs attention. You can finally say goodbye to hot, and cold areas of home with the precise control of your hydronic loops.
HYDROLEVEL 3250-PLUS NOW OUDOOR RESET READY (MUST ORDER OS-100 SENSOR KIT SEPERATELY) For oil boilers. Cold Start or Warm Start operation. Thermal Targeting feature factory set to off position.
Honeywell L4080B 1360 High Limit Aquastat Controller This Honeywell L4080B 1360 High Limit Aquastat Controller will replace most Honeywell L4080B models. The L4080B is a immersion type controller for hydronic heating systems that turn off the burner whenever the boiler watter temperature rises to the set point. The L4080B High Limit Aquastat Controller has adjustable set point.
Up for Auction is A Gently Used Honeywell L7224U - 1002 Digital Triple Aquastat. I removed this from my shop boiler in order to try out a competitive model from another manufacturer. It was on my boiler for about 1 year and was in perfect working order when I removed it.
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