Hartland Controls 90341 Relay 326010-701 making it a versatile component

making it a versatile component for field service repairs

this kit provides the replacement parts for TH19X systems needed to maintain precise environmental control and system reliability

The Armstrong Fluid Technology 110223-321 Pump

Reliable Safety Cutout: Rated for a maximum safe operating pressure of 20 psi to prevent hazardous overpressure conditions

this unit maintains a standard 2-10VDC control signal

Hartland Controls 90341 Relay 326010-701 making it a versatile componentThe Hartland Controls 90341 Relay is a heavy duty, general purpose DPDT 120V relay engineered for reliable switching in demanding HVACR environments. Designed as a universal 91 series power relay, this component features a 120VAC coil and is a common replacement for 110 120V residential and commercial applications. The double pole double throw configuration provides versatile circuit control, making it ideal for fan switching, standby power, and