Controls

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1" 15/26 Iron Pump Flange Pair (NPT) Grundfos 519602 - Oswald Supply
3/4" 15/26 Iron Pump Flange Pair (NPT) Grundfos 519601 - Oswald Supply
Vent Damper Relay PENNCO ARGO Z99
4 - Zone Expandable Switching Relay - ARGO - ARM4P - Oswald Supply
S8610U3009 Intermittent Pilot Control Honeywell - Oswald SupplyS8610U3009 Intermittent Pilot Control Honeywell - Oswald Supply
Field Controls Part #Mgii-32 - Draft Control (1967201) - Oswald Supply
Field Controls Part #Mgii-28 - 28" Draft Oil-Gas-Wood-Coal - Oswald Supply
Field Controls Part #Mgii-24 - 24" Draft Oil-Gas-Wood-Coal - Oswald Supply
Field Controls Part #Mgii-18 - 18" Draft Oil-Gas-Wood-Coal - 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.