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Duotone terrace — saffron brief on the left, garden-folded ledger on the right.
With a 2-inch probe length and a maximum lead wire insulation temperature of 392°F
it integrates a redundant solenoid valve with a high-capacity pressure regulator to maintain stable manifold pressure across varying inlet conditions
Can I use this to replace a stuck R15770 valve
By providing real-time system feedback
reducing lifecycle costs for the contractor
Lennox 21W14 Control Board 328140-751 With a 2-inch probe lengthThe Lennox 21W14 Control Board (OEM 101029 01) is an essential Direct Spark Ignition (DSI) Integrated Control Board designed for high performance gas furnaces. This replacement ignition control board operates on a 24VAC circuit at 50 60 Hz, managing critical combustion cycles including flame sensing, gas valve regulation, and combustion blower motor timing. Engineered for precise microprocessor control, the 21W14 eliminates the need for standing pilot
US$ 127.50
US$ 199.00