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Duotone terrace — saffron brief on the left, garden-folded ledger on the right.
Broad Cross-Reference: Directly replaces S1-7956A-3771
with a spring return closing time of roughly 9 seconds
Safe System Isolation: Enables manual gas shutoff
If the HVAC system compressor won't start but the thermostat is calling for cooling
ensuring the airtight seal necessary to maintain precise inches of water column (WC) for the draft inducer
Weil McLain 591-391-919 Wiring Harness Els PW 17895 Broad Cross-Reference: Directly replaces S1-7956A-3771The Weil McLain 591 391 919 Wiring Harness is a critical 9 pin interface engineered specifically for Series 4 CGa gas fired water boilers. As a primary control link, this 9 pin wiring harness establishes secure communication between the control module and essential safety and operational peripherals, including the thermostat, limit switches, pressure switches, and block limit switches. It is explicitly designed for integration with the Honeywell
US$ 89.00
US$ 59.00
US$ 89.00
US$ 99.00
US$ 69.00