Is the 18G89 interchangeable with the 18G8901

5" heavy-duty furnace gasket provides a robust thermal barrier capable of withstanding consistent moisture exposure and fluctuating exhaust temperatures

What are the signs of a failing start relay

ensuring the suction and discharge port seals align perfectly with the valve plate

Does the cover interfere with gas diffusion to the sensor

Maxitrol R325E10-1530A Spring Is the 18G89 interchangeable withThe Maxitrol R325E10 1530A is a specialized yellow compression spring designed for field conversion and precise pressure calibration of 325 5 series gas regulators, including the 325 5A and 325 5L models. Engineered for high pressure industrial and commercial gas systems, this spring provides a stable outlet pressure range of 15" to 30" W. C. (inches of water column). As a veteran technician knows, maintaining positive dead end lockup and consistent