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The R37373B001 is rated for Clockwise (CW) rotation
and similar neutral media within a temperature range of -22°F to 212°F
When performing a gas valve troubleshooting or swap
This Uni-Kit dual gas valve serves as the direct replacement for the discontinued Robertshaw 720-400
causing the thermostat to fail in an open or closed position
Lochinvar & A.O. Smith 100166241 Pressure Switch 321142-301 The R37373B001 is rated forThe Lochinvar and A. O. Smith 100166241 Pressure Switch is a critical safety component designed for precise combustion air monitoring in high efficiency water heaters and boilers. This SPDT (Single Pole Double Throw) switch is factory calibrated to a . 21" WC (water column) set point, ensuring the inducer fan generates sufficient static pressure before allowing the ignition sequence to proceed. Engineered as a direct OEM replacement part, it replaces
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