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Precision Tuning: Features high-visibility Sight-Set calibrated pressure scales for accurate setpoint adjustments without removing the cover
The Emerson Alco 048221
this OEM replacement bonnet gasket ensures a leak-proof interface between the valve body and the bonnet assembly
Includes a precision-machined liquid propane orifice for accurate fuel metering
this part ensures the inducer motor maintains the required vacuum pressure before allowing the ignition sequence to proceed
Johnson Controls A421AEC-01 Temperature Control Els PW 17895 Precision Tuning: Features high-visibility Sight-SetThe Johnson Controls A421AEC 01 is a high performance single stage electronic temperature control designed for heavy duty HVACR applications requiring precision and environmental protection. This unit features a versatile 120 240 VAC power supply and a wide temperature control range of 40? F to 212? F ( 40? C to 100? C), making it ideal for everything from walk in freezers to boiler systems. Built with a NEMA 4X watertight enclosure, the A421AEC 01 is
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