Is this switch normally open or normally closed

ensuring rain-tight performance in outdoor condenser or rooftop applications

Standardized Mounting: The rigid base mounting ensures a secure fit

the Lennox 79J07 and 79J0701 are the same physical and technical part

the 100187866 burner kit eliminates the guesswork of field modifications

Laars Heating Systems S0095100 Header Gasket 321894-706 Is this switch normally openThe Laars Heating Systems S0095100 Header Gasket is a critical OEM replacement part engineered for high output commercial hydronic systems. This Header Gasket w Barrier is specifically designed for Laars Mighty Therm (models HH, PH, VW, PW, IW, and AP) and Pennant (PNCH PNCV) heaters with capacities ranging from 500K to 1825K BTU. By providing a precision fit seal between the header assembly and the boiler body, it maintains the internal pressure