and the diaphragm required for most relief valve service procedures

Is the MARS 19550 compatible with 3ARR3MARS550

always cross-reference your furnace model number before purchase

With a robust maximum working pressure (MWP) of 680 psig and an MOPD of 300 psig

Hydrolevel FS200 Switch 30067439-890 and the diaphragm required forThe Hydrolevel FS200 Liquid Flow Switch (Part Number 44 200) is a heavy duty, general purpose control designed for high reliability flow detection in hydronic heating and cooling systems. Built to withstand a maximum pressure of 160 PSI and fluid temperatures up to 250? F, this switch is the industry standard for protecting boilers, pumps, and chillers from no flow conditions. Its universal design allows it to serve as a direct field replacement for