we recommend professional installation to ensure the gas combustion system is correctly sealed and calibrated

field-adjustable air differential switch designed for critical HVAC interlocking safety

Field-proven and versatile

the fail-safe direction is determined by the mounting orientation

a constant discharge usually indicates a fouled first check or a compromised relief valve diaphragm

MAMAC Systems TE-703-D-17-A-1 Temperature Sensor R-134A we recommend professional installation toThe MAMAC Systems TE 703 D 17 A 1 is a professional grade immersion temperature sensor engineered for precise thermal monitoring in demanding HVAC and industrial environments. This model features a high accuracy 20,000 Ohm NTC thermistor, ensuring stable resistance output for building automation systems (BAS) and mechanical equipment room controllers. The sensor is housed in a rugged, 18 gauge cold rolled NEMA 4 painted steel enclosure with welded