eliminating field-modification needs

this model is UL Listed for a maximum operating pressure of 650 psig

the unit integrates essential safety features

Is the 100166220 pressure switch compatible with my Lochinvar Knight boiler

The opening point is adjusted by turning the range adjustment screw

Carrier P461-3706 Motor Pulley 326058-756 eliminating field-modification needsThe Carrier P461 3706 Motor Pulley is a high performance, variable pitch sheave designed for precise airflow balancing and belt tension management in commercial HVAC systems. Engineered from heavy duty cast iron, this 1 groove adjustable pulley features a 7 8" bore and an adjustable pitch diameter ranging from 3. 4" to 4. 4". This flexibility allows field technicians to fine tune blower motor speeds and system static pressure without the need for