CSA Certified Construction: Built to rigorous industry standards

The SA69-104 is typically evaluated as the shield component

including 496-20 straight body configurations

it ensures seamless compatibility with vintage pneumatic HVAC systems without needing structural modifications to the control stat housing

a weak or orange pilot flame

Trane CNT4333 Control Board Els PW 17895 CSA Certified Construction: Built toThe Trane CNT4333 is a specialized dual compressor defrost control board engineered for high capacity heat pump systems that demand precision management of two independent refrigeration circuits. As a direct OEM replacement part, this module ensures that outdoor coils remain clear of ice accumulation by monitoring ambient temperature and coil conditions to initiate timed defrost cycles. By synchronizing dual compressor defrost logic, the CNT4333