What is the difference between defrost termination and fan delay

Smith 100233496 Thermostat Well is the OEM-spec solution required for a professional-grade repair

Can the 20-foot probe be shortened if it is too long for the duct

The epoxy-encapsulated construction provides necessary thermal dissipation and insulation resistance

ensuring the unit operates within its designated thermal envelope without the risk of nuisance tripping or safety bypass associated with non-spec alternatives

Watts 0858536 Air Scoop 321894-708 What is the difference betweenThe Watts 0858536, also known as the AS 1 1 4 air scoop, is a fundamental component for professional hydronic heating system maintenance and installation. Engineered with a rugged cast iron body, this air separator is designed to efficiently remove air from the water stream, preventing the common service calls associated with noisy pipes and uneven heat distribution. Operating at a maximum pressure of 125 psi and capable of handling a maximum