Pay in 4 interest-free payments of $237.68 Learn more
Ships within 48 hours · Estimated delivery Aug 21 - Aug 26
Does this 120V assembly include the capacitor and housing
Verify your unit's model number on the data plate
Maintains consistent 24Vac output to ensure optimal performance of sensitive 24V thermostats and building automation sensors
Multi-Switch Precision: The 4-switch configuration allows for staging up to four separate heating elements or fan circuits
McDonnell & Miller 157S-RLS-MD Control 30067439-890 Does this 120V assembly includeThe McDonnell & Miller 157S RLS MD (Part Number 177251) is a high performance mechanical combination low water cut off and pump controller designed for commercial and industrial steam boilers. Engineered for high pressure applications up to 150 psi, this unit features a maximum differential operation that effectively prevents nuisance burner shutdowns in systems experiencing rapid water level fluctuations. Its integral water column design simplifies
US$ 12.80
US$ 15.50
US$ 47.30
US$ 173.00
US$ 10.20
US$ 112.00
US$ 34.65
US$ 21.71
US$ 15.50
US$ 21.00
US$ 35.00
