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As a genuine factory replacement
Can this switch be used in systems with different refrigerants
Always verify the specific glycol concentration if using antifreeze additives
The NBR (Nitriles) seals ensure a tight shut-off
As a direct OEM replacement pressure switch for Utica and Dunkirk heating systems
AERCO Boiler and Water Heater 18557-1 Tstat Refrigerant As a genuine factory replacementThe AERCO 18557 1 Pneumatic Bulb Thermostat is a critical OEM replacement part designed specifically for AERCO boiler and water heater systems. This RA 20 240 thermostat utilizes advanced pneumatic sensing technology to ensure the precise temperature regulation required for commercial heating environments. By providing dependable sensing through its bulb style design, the 18557 1 Tstat maintains peak efficiency and prevents the energy waste associated
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