Aquastat Relays

5 result(s) for "Aquastat Relays"
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Honeywell Boiler Aquastat
Honeywell Boiler Aquastat
Item # 952640

This immersion-type Honeywell Home Single Aquastat for Slant/Fin LD30P Boilers helps monitor and adjust your forced hydronic heating system's temperature. This keeps the heating system running efficiently. There is a special provision for adding remote low limit and circulator control support.

  • 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 0.2 Amp.
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Honeywell High Limit Aquastat
Honeywell High Limit Aquastat
Item # 302544

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. Immersion type controllers for hydronic heating systems that turn off the burner whenever the boiler water temperature rises to the set point. At the set point temperature, a diaphragm-actuated snap switch breaks the power supply to the burner primary control.

  • Totally enclosed micro switch snap-acting switches operate on temperature rise to set point
  • High limit Aquastat controller has adjustable set point
  • Models available for use with immersion wells or for direct immersion if faster response is needed
  • A factory-set stop is available on L4080 to prevent setting the control at too high a temperature
  • Breaks contact on temperature rise to set point
  • Includes siphon loop
  • Liquid fill in sensing element expands as the boiler temperature rises
  • At the set point temperature, a diaphragm-actuated snap switch breaks the power supply to the burner primary control
  • Maximum 40 degree F above set point or 265 degree F, whichever is lower
  • Operating temperature range (F)100 degree F to 200 degree F
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Honeywell Boiler Aquastat Switching Relay
Honeywell Boiler Aquastat Switching Relay
Item # 661655

The Honeywell Home Aquastat Relay is designed for use with an HVAC heating system. This immersion-type controller provides high limit protection while switching control of the oil burner and the circulator. Compatible with Honeywell Home models.

  • Designed for use with an HVAC heating system
  • 120 240 degree F range with 8 degree F fixed differential, low volt/millivolt
  • Select models include transformer and accessory terminals for adding a remote low limit controller
  • Requires a 24 VAC thermostat with heat anticipator set at 0.2A
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Honeywell Aqua-Stat Relay
Honeywell Aqua-Stat Relay
Item # 3573285

Immersion-type controller that combines high limit protection with switching relay control of burner and circulator motors. High limit opens burner circuit only. 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
  • Include transformer and accessory terminals for adding a remote low limit controller
  • Easy to install
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FIRST COMPANY Changeover Aquastat
FIRST COMPANY Changeover Aquastat
Item # 53-6059

White Rodgers -- horizontal mounting. 50 To 90F (10 to 32C) range, 24v. 2 Stage heating, 1 stage cooling. Heat anticipator first stage 0 to 1.0 Amp, second stage . 15 To 1.0 Amp. Mercury cell switch. Energizes reversing valve in heat or cool position. Beige. Min. Order: 1 EA

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