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this OEM replacement part monitors for abnormal heat conditions in the burner compartment
Simplified Installation: Standard 2-wire 24V wiring integrates seamlessly with most modern zone control panels and HVAC thermostats
check the terminals while the switch is cool
even minor wear or blockages in the internal orifice can significantly degrade burner efficiency
Johnson Controls VG7842ET Valve 320735-701 this OEM replacement part monitorsThe Johnson Controls VG7842ET Valve is a high performance 3 way mixing globe valve engineered specifically for technical precision in HVAC hydronic systems. Constructed with a cast bronze body and durable brass trim, this 1 2 inch NPT valve provides reliable control over hot water, chilled water, and saturated steam up to 15 psig. With a 1. 8 Cv rating and linear flow characteristics, it ensures stable modulation and mixing of fluids to maintain exact
