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Hydrolevel Part #1214C-2 - Casting, 1214C-2 - Oswald Supply
Hydrolevel Part #1100H3 - 1100H3 Cut-Off (No Cable) - Oswald SupplyHydrolevel Part #1100H3 - 1100H3 Cut-Off (No Cable) - Oswald Supply
Hydrolevel Part #1100H7 - Cut-Off (Damper Cable) - Oswald Supply
Hydrolevel Part #1100H6 - 1100H6 Cut-Off (Burnham Cbl#2) - Oswald Supply
Hydrolevel Part #1100H5 - 1100H5 Cut-Off (Male/Male Cbl) - Oswald SupplyHydrolevel Part #1100H5 - 1100H5 Cut-Off (Male/Male Cbl) - Oswald Supply
Hydrolevel Part #1100H2 - 1100H2 Cut-Off (Utc Module) - Oswald Supply
Hydrolevel Part #1100H4 - 1100H4 Cut-Off (Burnham) - Oswald Supply
Argo Part #I25 - Pnl, Circ Brkr/Ld Ctr - Oswald Supply
Argo Part #E15 - Htr, 5Kw, 240V, At/Eb - Oswald SupplyArgo Part #E15 - Htr, 5Kw, 240V, At/Eb - Oswald Supply
Argo Part #E13 - Htr, 3Kw, 240V, At/Eb - Oswald SupplyArgo Part #E13 - Htr, 3Kw, 240V, At/Eb - Oswald Supply
Argo Part #B27 - Brkr, 40A, 220V, 2 Pole, Thqp240 - Oswald SupplyArgo Part #B27 - Brkr, 40A, 220V, 2 Pole, Thqp240 - Oswald Supply
Argo Part #B194 - Term Block,Neu,Pwr Block 1421570 - 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.