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3000 Fuel Smart HydroStat for Gas Boilers (LWCO, Temperature Limit & Boiler Reset Control), 24V

Hydrolevel Fuel Smart 3000-Plus HydroStart is a 24V universal triple-function control for Gas boiler..

$ 170.95

3150 HydroStat, Temperature Limit & Low Water Cut-Off for Oil Boilers, 120V

Hydrolevel 3150 HydroStat is a 120V universal dual-function control for Oil boilers (incl. w/ tankle..

$ 159.95

3200-Plus Fuel Smart HydroStat for Gas Boilers (LWCO, Temperature Limit & Boiler Reset Control), 120/24V

Hydrolevel Fuel Smart 3200-Plus HydroStat is a 120V universal triple-function control for Gas boiler..

$ 182.95

ASSE 1017 COMPLIANT - Adjustment Range 85-176°F (all union valves include built-in check valves)

Taco 5000 series mixing valve body only (no unions). Can be used used in combination with 5000 union..

$ 89.95

CycleGard CG400-2090, Steam Primary Low Water Cut-Off w/ Auto Reset, 24V

Hydrolevel CycleGard 400-2090 is a 24V low water cut-off w/ auto reset and intermittent level test (..

$ 199.95

CycleGard CG450-1560, Steam Primary Low Water Cut-Off w/ Auto Reset, 120V

Hydrolevel CycleGard 450-1560 is a 120V low water cut-off w/ auto reset and intermittent level test ..

$ 206.95

CycleGard CG450-2060, Steam Primary Low Water Cut-Off w/ Auto Reset, 120V

Hydrolevel CycleGard 450-2060 is a 120V low water cut-off w/ auto reset and intermittent level test ..

$ 199.95

CycleGard CGT450-2060, Steam Primary Low Water Cut-Off w/ Auto Reset for Tankless Coil Boilers, 120V

Hydrolevel CGT450-2060 is a 120V low water cut-off w/ auto reset and intermittent level test (ILT), ..

$ 245.95

EW-222, HydroStat Extended Electro-Well, 1/2" NPT, Long Nut for Tankless Coil Boilers

Hydrolevel electro-wells are used to enable low water cut-off (LWCO) functionality on HydroStat seri..

$ 32.95

Safgard 400, Non-Cycling Steam Primary Low Water Cut-Off w/ Auto Reset, 24V

Hydrolevel Safgard 400 is a 24V non-cycling low water cut-off (LWCO), designed for use as a primary ..

$ 178.95

Safgard 450, Non-Cycling Steam Primary Low Water Cut-Off w/ Auto Reset, 120V

Hydrolevel Safgard 450 is a 120V non-cycling low water cut-off (LWCO), designed for use as a primary..

$ 178.95

Safgard 550, Low Water Cut-Off w/ Manual Reset & Test Button, Gas or Oil, 120V

Hydrolevel Safgard 550 is a 120V commercial-grade low water cut-off w/ manual reset and test buttons..

$ 181.95

Safgard 550P, Low Water Cut-Off w/ Manual Reset & Test Button, Long Probe, Gas or Oil, 120V

Hydrolevel Safgard 550P is a 120V commercial-grade low water cut-off w/ long probe, manual reset and..

$ 188.95

Safgard 550SV, Low Water Cut-Off w/ Manual Reset & Test Button, Short Probe, Gas or Oil, 120V

Hydrolevel Safgard 550SV is a 120V commercial-grade low water cut-off (LWCO) for Gas or Oil-fired ho..

$ 178.95

Safguard 1100 Low Water Cutoff w/ Auto Reset & Burner Circuit Test Button (incl. wiring harness), 24V

Hydrolevel Safgard 1100 is a compact 24V low water cut-off (LWCO) w/ auto reset, designed to immedia..

$ 94.95

Safguard 1100M Low Water Cut-Off w/ Manual Reset & Test Button/Light, 24V

Hydrolevel Safgard 1100M is a compact, commercial-grade 24V low water cut-off (LWCO) with test/manua..

$ 114.95

Safguard 1150 Low Water Cutoff w/ Auto Reset & Burner Circuit Test Button (incl. wiring harness), 120V

Hydrolevel Safgard 1150 is a compact 120V low water cut-off (LWCO) w/ auto reset, designed to immedi..

$ 94.95

Safguard 170 Low Water Cut-Off w/ Auto Reset, 120V

Hydrolevel Safgard 170 is a 120V low water cut-off (LWCO) w/ auto reset. Immediately interrupts powe..

$ 102.95

Safguard 170SV Low Water Cut-Off w/ Auto Reset, Short Probe, 120V

Hydrolevel Safgard 170SV is a 120V Low Water Cut-Off (LWCO) w/ auto reset & short probe (fits into a..

$ 102.95

Safguard 24SV Low Water Cut-Off w/ Auto Reset, Short Probe, 24V

Hydrolevel Safgard 24SV is a 24V low water cut-off (LWCO) w/ auto reset & short probe (which makes i..

$ 100.95