delivering a positive temperature coefficient that ensures stable and repeatable resistance outputs across a wide operating range of -40°F to 210°F

the sensor likely has carbon buildup or internal resistance

furnace control board

Precise terminal termination and iron-core efficiency make it the standard choice for service technicians performing hydronic heating system repair

it provides a dependable 24V signal interrupt to the integrated furnace control if combustion gases aren't drafting properly through the heat exchanger

Enviro-tec PC-07-0202 Diaphragm delivering a positive temperature coefficientThe Enviro tec PC 07 0202 Diaphragm is a critical OEM replacement part engineered for high performance pneumatic actuator assemblies within VAV terminal units and air handling systems. As a veteran technician knows, maintaining precise pressure regulation is essential for accurate airflow control and zone comfort. This replacement diaphragm is manufactured to the exact tolerances required for Enviro tec equipment, ensuring a seamless fit and immediate