Identical in technical spec to the 21-841 for reliable legacy support

Most failures are due to orifice blockages

delivering precise heating control for gas fireplaces

the ASCO 8215G33-240V is specifically rated for fuel gas services

reducing labor time and ensuring long-term reliability in demanding outdoor environments

Lochinvar & A.O. Smith 100111630 Pressure Switch 320788-703 Identical in technical spec toThe Lochinvar & A. O. Smith 100111630 Pressure Switch is a critical safety component designed for precise air pressure detection in high efficiency water heaters and boiler systems. Specifically calibrated to a 1. 00" WC (Water Column) set point, this SPST (Single Pole Single Throw) switch features a normally open (NO) contact configuration. It is engineered to monitor the combustion chamber pressure, ensuring the blower motor is sufficiently venting