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Laars Heating Systems R2022400 Pressure Switch Kit 340793 762 Can I convert this unit Can I convert this unit to Liquid Propane (LP) in the field Replacing the old orifice with a new Reznor 40965 can restore the correct flame pattern and ensure the gas valve receives the necessary millivolt signal to stay open airtight installation on the Laars R2022400 mounting bracket The Laars Heating Systems R2022400 Pressure Switch Kit is a critical OEM replacement component engineered for high efficiency hydronic systems
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