For heating (open on rise)

though a standard 1 or 2-pole unit may be more common for those specific configurations

Why is it necessary to replace a warped flue plate

ensuring maximum system integrity

GC Valves S201GF02N5DG4 Solenoid Valve R-410A For heating (open on rise)The GC Valves S201GF02N5DG4 Solenoid Valve is a 2 way, normally closed piloted diaphragm valve designed for professional grade fluid control. Built with a rugged brass body and high performance Nitrile (NBR) seals, this unit is a reliable choice for handling air, water, inert gases, and light oils. It features a 1 2" NPT connection and a substantial 5 8" orifice, providing a high flow coefficient (Cv) of 4. 3. The 120Vac Class F coil is rated for