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The valve features 3/4" x 3/4" NPT threads but includes two reducer bushings to accommodate 1/2" piping configurations commonly found in older furnace models
Technicians can rely on its compact 2-bolt mounting design for straightforward installation in tight mechanical closets
This 2-way zone valve is rated for static pressures up to 400 psi and is compatible with water or glycol solutions up to 50%
The Weil McLain 383-500-045 Ignitor/Flame Rod Assembly is a precision-engineered ignition electrode kit designed specifically for the Weil-McLain Ultra Gas Boiler series
This part is a direct cross-reference for the Honeywell Q309A1988 and is engineered to deliver consistent DC voltage to the gas valve solenoid upon flame impingement
McDonnell & Miller 53-2 Water Feeder Els PW 29614 The valve features 3/4" xThe McDonnell & Miller 53 2 (Part Number 137100) is a dual function mechanical water feeder and low water cut off designed for heavy duty service in low pressure steam and hot water boiler applications. Engineered for systems with a maximum vessel pressure of 75 PSI, this unit features 1 inch NPT connections and a high capacity feed mechanism. The snap acting SPDT switch provides precise electrical control for burner circuits and alarm signaling,