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Argo Part #550001256 - Replacement Sensor Kit - Oswald Supply
Argo Part #550001626 - Ecr, Circuit Board For At164410B Electric Boiler - Oswald SupplyArgo Part #550001626 - Ecr, Circuit Board For At164410B Electric Boiler - Oswald Supply
Argo Part #550001625 - Argo Circuit Board For Argo Heater - Oswald Supply
Argo Part #550001624 - Circuit Board/Wire 'At' 2 Element W/Circuit Breaker For - Oswald Supply
Argo Part #240009669 - Ctrl, At Boiler, 2 Or 4 Element - Oswald Supply
Argo Part #14662070 - 1003-620 Ut Spark Module - Oswald SupplyArgo Part #14662070 - 1003-620 Ut Spark Module - Oswald Supply
Argo Part #1260006 - Ga, Temp/Press, 2" Shank, 1 Pc, Bulk - Oswald SupplyArgo Part #1260006 - Ga, Temp/Press, 2" Shank, 1 Pc, Bulk - Oswald Supply
FIELD CONTROLS PART #MGII-20 - 20" DRAFT OIL-GAS-WOOD-COAL  - Oswald SupplyFIELD CONTROLS PART #MGII-20 - 20" DRAFT OIL-GAS-WOOD-COAL  - Oswald Supply
Conbraco Model 12-205-08 Steam Safety Valve 2" MNPT x 2" FNPT - Oswald Supply
Conbraco Model 12-206-08 Steam Safety Valve 2½" MNPT x 2½" FNPT
Conbraco Model 12-208-08 Steam Safety Valve 3" MNPT x 3” FNPT - Oswald Supply
Conbraco Model 14-205-08 Steam Safety Valve 2" MNPT x 2” FNPT
Conbraco Model 14-206-08 Steam Safety Valve 2½" MNPT x 2½" FNPT - Oswald Supply
Conbraco Model 14-207-08 - Steam Safety Valve 3" MNPT x 3” FNPT - Oswald Supply
Conbraco 20-251 - 03 1/2" x 5/8" Water Gauge Set No Glass or Rods
Hydrolevel 270SV - Model 45-270 High Water Limit for Steam Boilers 120V - Oswald Supply
Hydrolevel 250WC - Model 45-252 Cut-Off/Pump Control. Steam Boilers - Oswald Supply
Hydrolevel 24 - Model 45-240 LWCO for Water Boilers. 24VAC - Oswald Supply
Hydrolevel 170 - Model 45-170 LWCO for Water Boilers. 120VAC - Oswald Supply
Hydrolevel 250 - Model 45-250 Cut-Off/Pump Control. Steam Boilers - Oswald Supply
Hydrolevel 400 - Model 45-400 LWCO 24V for Steam Boilers - Oswald Supply
Hydrolevel 450 - Model 45-450 LWCO 120V for Steam Boilers - Oswald Supply

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Boiler Heating Supplies Controls FAQs

Boiler controls include thermostats, transformers, control boards, low water cut-offs, safety valves, and circulator pumps that regulate and protect the heating system.

A low water cut-off shuts down the boiler's burner if the water level drops too low, protecting the boiler from operating dry and overheating.

Yes. Replacement Argo parts such as control boards, transformers, and wire kits are available for electric boiler systems.

Manufacturers typically recommend testing safety and relief valves at least once a year to confirm they release pressure properly. Always check with manufacturer safety guidelines.