For technicians seeking to restore factory-spec performance

Versatile Media Handling: A specialized "one valve" design that manages both low-pressure steam and hot water

the Watts 0274934 is a fixed-setting relief valve and cannot be adjusted in the field

this 14 inch zone damper is compatible with most standard HVAC zone control systems that provide a constant 24Vac signal to actuate the motor

eliminating the need for sensor replacement and minimizing system downtime in schools

Robertshaw 780U-DS20 Ignition Module Els PW 29614 For technicians seeking to restoreRobertshaw 780U DS20 is a universal direct spark ignition (DSI) control module designed for gas fired HVAC equipment, including furnaces, boilers, and rooftop units. This ignition control is used to safely manage burner ignition sequences by providing timed spark ignition and flame sensing for reliable system startup and operation. The module is commonly used as a replacement ignition control in systems requiring a universal solution for direct spark