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Broad Fluid Range: Rated for a specific gravity range of 0
this module ensures seamless field integration with Honeywell VR8205 and VR8305 gas valves
it must be properly vented through the roof or a chimney to safely exhaust combustion byproducts
Simple Installation: Standard 7/8-inch duct cutout with an integral gasketed flange simplifies mounting on sheet metal ducts
Thermal Security: Integrated auto-reset thermal protection safeguards the motor from overheating due to restricted airflow or capacitor failure
McDonnell & Miller 93-M Pump Controller 30067439-890 Broad Fluid Range: Rated forThe McDonnell & Miller 93 M is a commercial grade combination low water cut off and pump controller designed specifically for steam boiler applications. Engineered for systems with a maximum steam pressure of 150 PSI, this unit features dual snap acting manual reset SPDT switches. These switches provide decisive electrical contact, preventing the rapid cycling or "chattering" often found in mercury free alternatives during turbulent water level
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