Minimal Internal Leakage: Performance tested to maintain a leak rate of less than 2

This kit includes the precision-engineered sensor and the necessary flame sensor gasket to ensure a gas-tight seal upon installation

Replacing these critical components ensures the burner flame remains stable and efficient under the higher BTU density of propane

It acts as a safety barrier to prevent the unit from operating under dangerous temperature conditions

Optimized Performance: Specifically calibrated for Sterling QV series (QVEF

Carrier HD46MQ133 Blower Motor 321702-401 Minimal Internal Leakage: Performance testedThe Carrier HD46MQ133 Blower Motor is a professional grade ECM (Electronically Commutated Motor) designed for precise performance in high efficiency residential and light commercial HVAC systems. This 3 4 HP HVAC replacement motor is a Factory Authorized Part, ensuring exact 1: 1 compatibility with original equipment. Built on a NEMA 48 frame, it features ball bearings and an S1 continuous duty rating, providing reliable airflow under heavy static