Industrial-Grade Construction: Designed to handle the high-static environments typical of modern sealed-combustion appliances

leak-proof exhaust path from the heat exchanger cells

Ensure you verify the specific model and serial number to confirm fitment before installation

Industrial Build Quality: High-tolerance brass components resist corrosion and thermal stress during heavy cycles

This low voltage heater relay simplifies the troubleshooting process for technicians dealing with element staging issues or faulty fan-delay logic

MAMAC Systems PR-275-R3-VDC Pressure Sensor 322838-753 Industrial-Grade Construction: Designed to handleFor high precision air pressure monitoring, the MAMAC Systems PR 275 R3 VDC is a versatile low pressure sensor engineered with glass on silicon (Gl Si) capacitance technology. This veteran grade differential pressure transducer provides superior stability by addressing common field issues like zero drift and calibration shift. It offers six field selectable pressure rangesincluding 0 5"wc, 0 2. 5"wc, 0 1. 25"wc, and compound ranges like 2. 5" to 2.