Watts 0794064 Repair Kit 30067439-890 If the reading is below

If the reading is below 1

and baseboard units

this atmospheric sensing device is built to withstand the high-cycle demands of modern furnace draft inducer circuits

identified by model number 421-30

Always match the OEM specification of 195 degrees for this application

Watts 0794064 Repair Kit 30067439-890 If the reading is belowThe Watts 0794064 is a professional grade second check repair kit designed specifically for 1. 25", 1. 5", and 2" Reduced Pressure Zone (RPZ) backflow preventers. This kit facilitates a complete rebuild of the second check assembly in Watts Series 909 and LF909 lead free valves. As the direct 0794064 updated version, it serves as the official replacement for legacy parts including 0887134, 881495, and RK909 CK2. For technicians servicing systems where