| Weight | 0.01 lbs |
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| Brand |
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SKU:3298
Hoffman #43, 1/4″ Convector Steam Air Valve
$32.28Read more1⁄4″ NPT straight shank Single non-adjustable port For small steam systems Telescopic siphon tube with angle cut assures drainage Maximum operating pressure 6 psig (0.4 bar)* Maximum pressure 10 psig (0.7 bar)
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SKU:6218
3 Zone Valve Relay Control (AZ-3)
$158.42Add to cartTransformer Voltage: 120V, 60 HZ, 40VA End Switch Contact Rating: 5A-1/8 HP @120VA LED diagnostic lights for easy troubleshooting Clearly marked terminal for easy and accurate installation
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SKU:5022
Boiller Pilot Burner
$31.10Read moreUsed to provide main burner ignition for standing pilot natural and LP gas systems. Used with a thermocouple to
provide automatic pilot safety control. Used with a thermopile in a self-powered system. -
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SKU:5335
4 Zone Expandable Switching Relay w/ Priority (ZSR104)
$259.91Add to cartThe ZSR series is a zone pump and boiler operating control for multiple zone hydronic heating systems. The ZSR series interfaces with low voltage thermostats, or any other low voltage controllers having a switching action.
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SKU:4949
1/2″, 24 Vac Standing Pilot Gas Valve
$93.67Read moreUsed in gasfired, standing pilot appliances. They include safety shutoff, a manual valve, two automatic operators, a pressure regulator, a pilot adjustment.
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SKU:569
Standard Dual Standing Pilot Gas Valve – 3/4″ x 3/4″
$108.81Read moreUsed in gas-fired appliances with capacities up to 200 feet 3/hour at 1 inch wc pressure drop [5.7 meters3/hour at 0.25 kPa] on natural gas and includes a manual valve, safety shutoff, two automatic operators, and a pressure regulator.
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SKU:2884
Aquastat w/Well and Adjustable Control Temperature from 5°F to 30°F
$137.59Read moreAquastat 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.
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SKU:600
Standard Pilot Gas Valve – 24V – 3/4″ x 3/4″ Inlet/Outlet Size (Model V800A1591)
$439.00Add to cartUsed on gas fired standing pilot appliances with 30 mV thermocouple. These gas controls include a manual gas valve, safety shutoff, single millivoltage automatic operator, and pressure regulator, pilot gas filter and flow adjustment, pressure tapping, and thermocouple connector.
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SKU:3995
Standard Non-Programmable Thermostat (Model T834N1002)
$41.25Read moreIntegrated thermometer and temperature setting scale Precise Snap-action switch Mount directly on wall or outlet box Includes dealer logo pocket
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SKU:5329
Caleffi 3 Zone Expandable Switching Relay w/ Priority (ZSR103)
$204.26Add to cartThe ZSR series is a zone pump and boiler operating control for multiple zone hydronic heating systems. The ZSR series interfaces with low voltage thermostats, or any other low voltage controllers having a switching action.
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