Rated at approximately 81

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

the assembly includes a built-in terminal block to simplify high-voltage wiring and integration with existing HVAC controls

Always verify your burner model number before installation

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

Tekmar Controls 401 Pump 320788-702 Rated at approximately 81The 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