and Day & Night

Note that both upper and lower thermostats should be set to the same temperature to maintain a uniform tank profile

eliminating the need for makeshift mounting solutions

preventing premature sensor failure and ensuring the standing pilot remains stable under varying gas pressures

It features 5 1/4-inch leads insulated to withstand temperatures up to 200°C

EWC Controls PRD 10" Pressure Regulating Damper Els PW 17895 and Day & NightEWC Controls PRD 10" Pressure Regulating Damper Made in USA. Model PRD RD pressure regulating damper is a single blade, round variation of a barometric relief damper. This is the simplest, most economical way of bypassing excess static pressure in multi zone applications. Resistance is controlled by offsetting the arm and adjusting the weights. The arm can be inserted into either side of the damper for added versatility.