Hydrolevel fuel smart HyrdoStat temperature control for gas-fired boilers. The 3200-Plus features three function control: temperature limit, low water cut off, and boiler reset.

Hydrolevel 120 volt, fuel-smart temperature limit and boiler reset hydrostat for oil boilers with a 110-200°F adjustable low limit, 100-200°F adjustable high limit, automatic differential, and adjustable economy settings.

Hydrolevel 120 volt combination pump controller and low water cut-off with manifold casting and three EL1214 sensing probes.

Hydrolevel 120 volt combination pump controller and low water cut-off with column manifold casting and three EL1214 sensing probes.

Hydrolevel Safguard model 550SV low water cut-off with manual reset, test button, and short probe. This unit interrupts power in a low water condition. The burner circuit locks-out if water remains below probe for 30 seconds. A test button checks burner circuit to ensure proper control operation and lock-out function without lowering the water level.

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Hydrolevel Safguard model 650SV low water cut-off with automatic reset, test button, and short probe. This unit interrupts power immediately in a low water condition. The burner circuit locks-out if water remains below probe for 30 seconds. A test button checks burner circuit to ensure proper control operation without lowering the water level.

Hydrolevel Safguard model 550 low water cut-off with manual reset and test button. This unit interrupts power in a low water condition. The burner circuit locks-out if water remains below probe for 30 seconds. A test button checks burner circuit to ensure proper control operation and lock-out function without lowering the water level.

Hydrolevel Safguard model 650 low water cut-off with automatic reset and test button. This unit interrupts power immediately in a low water condition. The burner circuit locks-out if water remains below probe for 30 seconds. A test button checks burner circuit to ensure proper control operation without lowering the water level.

Hydrolevel Safguard model 170 low water cut-off for 160 psi. This LWCO is 120 VAC, has a switching capacity of 5.8 FLA and 34.8 LRA, and has SPDT switch contacts. The 170 Series interrupts power immediately in a low water condition and automatically restarts the burner on return of normal water level.

Hydrolevel Safguard model 170SV low water cut-off with short probe for 160 psi. This LWCO is 120 VAC, has a switching capacity of 5.8 FLA and 34.8 LRA, and has SPDT switch contacts. The 170 Series interrupts power immediately in a low water condition and automatically restarts the burner on return of normal water level.

Hydrolevel Safgard 500 24 volt low water cut off with a manual reset, burner circuit test button, and LED indicating lights for hot water boilers.

Hydrolevel Safgard 400 24 volt low water cut off with 15-second burner off delay, 30-second burner on delay, automatic rest, and low water indicating light for steam boilers.

Hydrolevel Safgard 550P 120 volt low water cut off with long nut, manual reset, burner circuit test button, and LED indicating lights for hot water boilers.

Hydrolevel Safgard 450 120 volt low water cut off with 15-second burner off delay, 30-second burner on delay, automatic rest, and low water indicating light for steam boilers.

Hydrolevel Safgard 750 120 volt low water cut off with a manual reset, 30-second lock-out and LED indicating lights for hot water boilers.

Hydrolevel Safgard 750SV 120 volt low water cut off with a manual reset, short probe, 30-second lock-out and LED indicating lights for hot water boilers.

Hydrolevel Cyclegard CG400-2090 24 volt low water cut off with intermittent level test (preformed every 20 minutes for 90 seconds), 15-second burner off delay, 30-second burner on delay, and low water indicating light for steam boilers.

Hydrolevel Cyclegard CG450-1560 120 volt low water cut off with intermittent level test (preformed every 15 minutes for 60 seconds), 15-second burner off delay, 30-second burner on delay, and low water indicating light for steam boilers.

Hydrolevel Safgard 24SV 24 volt low water cut off with automatic rest, a short probe, and alarm contacts for hot water boilers.

Hydrolevel VXT-24 24 volt water feeder with digital feed counter, programmable feed delay setting, programmable feed amount settings, manual feed button, underfeed protection, and lock-out flood protection.

Hydrolevel VXT-120 120 volt water feeder with digital feed counter, programmable feed delay setting, programmable feed amount settings, manual feed button, underfeed protection, and lock-out flood protection.

Hydrolevel 24 volt compact low water cut-off for residential boilers with automatic reset, burner circuit test button, power and low water lights, and wire harness.

Hydrolevel 120 volt low water cut-off for residential boilers with automatic reset, burner circuit test button, power and low water lights, and wire harness.

Hydrolevel 24 volt low water cut-off with automatic reset and EL1214 sensing probe.

Hydrolevel 24 volt low water cut-off with automatic reset, test button and light, and EL1214 sensing probe.

Hydrolevel 24 volt low water cut-off with manual reset (after 30 seconds) and EL1214 sensing probe.

Hydrolevel 24 volt low water cut-off with manual reset (after 30 seconds) and EL1214-SV sensing probe.

Hydrolevel 24 volt non-cycling steam primary low water cut-off with automatic reset (after 15 second delay) and EL1214-R sensing probe for remote mounting control box.

Hydrolevel 120 volt non-cycling steam primary low water cut-off with automatic reset (after 15 second delay) and 60-second foam compensating intermittent level test every 20 minutes.

Hydrolevel 120 volt low water cut-off with manual reset (after 30 seconds), test button and light, and EL1214-R sensing probe for remote mounting control box.

Hydrolevel 120 volt programmable complete water feeder for commercial boilers with water meter, y-strainer, 3/4" NPT fittings, and flow restrictor.

Hydrolevel 120 volt programmable water feeder for commercial boilers that includes a y-strainer and flow restrictor.

Hydrolevel 3/4" NPT remote mount probe with junction box and cover.

Hydrolevel 24 volt water feed valve assembly.

Hydrolevel standard 3/4" NPT probe measuring 2-7/8" long.

Hydrolevel 3/4" NPT probe with a longer nut (1-11/16") for thicker boiler jackets.

Hydrolevel 3/4" NPT probe with short inside dimension that is designed for installation in standard reducing tee and short clearance installations.