Lochinvar® 100110780

Lochinvar® Flammable Vapor Sensor, For Use With: Model PR(N/L) 04040, PR(N/L) 05040, PR(N/L) 05065, PR(N/L) 05065ST, PR(N/L)07570, PR(N/L)07570ST Power Direct Vent Residential Gas Water Heater