Pay in 4 interest-free payments of $22.83 Learn more
Ships within 48 hours · Estimated delivery Sep 8 - Sep 13
the 55224 is the main valve only
you must match the design RPM of the existing fan blade to avoid overloading the motor or disrupting critical airflow across the coils
it may fit other 42-frame 1/25 HP applications where 115V power and ODP protection are suitable
this unit provides a "drop-in" solution that eliminates the need for field programming or additional wiring harnesses
Interchangeable Design: Full compatibility with Watts 21-512 simplifies maintenance and legacy system upgrades
Lochinvar & A.O. Smith 100111317 Pressure Switch 340155-7026 the 55224 is the mainThe Lochinvar & A. O. Smith 100111317 Pressure Switch is a critical OEM safety component engineered for precise airflow verification in high efficiency water heaters and boilers. This normally open air pressure switch is calibrated to a fixed set point of 0. 20" WC (Water Column), ensuring the combustion blower is generating sufficient negative pressure before the ignition sequence initiates. As a genuine 100111317 replacement part, it provides the
US$ 126.00
US$ 165.00
US$ 105.00
US$ 139.00
