Markel 51135001 Relay 320788-702 ensuring the internal thermostat maintains

ensuring the internal thermostat maintains an accurate ambient temperature reading without significant heat lag

the Belimo B312 Valve is a robust 3-way characterized control valve engineered for demanding hydronic applications

Built with a stainless steel power element and a laser-welded diaphragm

Precise Signal Logic: Features advanced flame rectification technology to prevent nuisance lockouts and ensure stable burner operation

leak-free seal to prevent refrigerant bypass and ensure positive shut-off

Markel 51135001 Relay 320788-702 ensuring the internal thermostat maintainsThe Markel 51135001 Relay is a specialized 24V fan time delay relay engineered for precise sequencing in commercial and residential HVACR applications. As an OEM specified component, it utilizes advanced bimetal disc technology (comparable to Therm O Disc 15S1) to manage the operational timing of indoor blowers, exhaust fans, and cabinet unit heaters. This HVAC ventilation control device ensures that the fan continues to run for a designated period