providing reliable sealing under extreme thermal loads

providing a seamless retrofit for technicians servicing failing outdoor units

Operating on a 110-120Vac coil

Unused primary voltage leads must be capped with wire nuts or heat shrink to prevent short circuits against the enclosure or other live components

The 770-1 can be mounted in any position except with the sample line connectors facing upward (upside down)

Lochinvar & A.O. Smith 100077876 Valve 326058-756 providing reliable sealing under extremeThe Lochinvar & A. O. Smith 100077876 Valve is a 3 4" x 3 4" NPT combination control designed for high efficiency commercial and residential water heaters and boilers. This slow open gas valve is engineered to prevent rapid pressure fluctuations, ensuring a smooth, controlled ignition sequence that stabilizes the combustion process and protects the heat exchanger from thermal shock. It is factory configured for Natural Gas (NAT) but includes the