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Can I use a pressure switch with a different WC rating if this is out of stock
By depressing the adjustment pins
distinguishing it from standard Zerol 200 grades
Watch for "chirping" or high-pitched squealing from the blower section
What is the maximum pressure rating for this 3/8" ODF valve
Lennox 24L18 Expansion Valve 30067439-890 Can I use a pressureThe Lennox 24L18 Expansion Valve is a technical grade R22 thermostatic expansion valve engineered for precision refrigerant metering in legacy residential and light commercial HVAC systems. Functioning as a direct OEM replacement part, this TXV is cross compatible with several older catalog numbers, as the Lennox 24L18 is identical to 24L1801 and effectively replaces legacy parts 12L40 and 12L4001. Designed with a durable brass body and a sweat inlet
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