Exceptional Durability: High-grade bronze impeller construction resists erosion and chemical degradation in circulating systems

Rated at approximately 81

the MR series features an integral pressure regulator that maintains constant supply pressure to the burner

Common Questions Can I use a BX57 to replace a standard B57 belt

ensuring the burner assembly meets original performance parameters without requiring modifications to the wiring harness or existing sensor probes

Tekmar Controls 401 Pump 320788-702 Exceptional Durability: High-grade bronze impellerThe Tekmar 401 House Control is a versatile 24Vac solution designed for integrated hydronic systems requiring precise management of up to four zone pumps, a single boiler, and domestic hot water (DHW) production. Engineered with tN2 communication technology, this control simplifies wiring by using two wires for both power and communication between compatible thermostats and the main module. It functions effectively as a centralized hub for multi zone