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or a circulating pump that is failing to meet the minimum required GPM (gallons per minute) to keep the contacts closed
It prevents "delayed ignition" or "booming" by allowing the flame to establish across all burner ports before reaching full manifold pressure
The Weil-McLain 382-200-320 Burner Replacement Kit is an essential OEM kit designed for specific Ultra Series gas-fired boilers
Installing the wrong rotation will reverse airflow and lead to system overheating
Neptronic TRO5404 Thermostat 321894-706 or a circulating pump thatThe Neptronic TRO5404 Thermostat is a high performance room controller thermostat designed for precision management of commercial HVAC systems, including variable air volume (VAV) clusters and modulating duct heaters. Engineered for 24 VAC low voltage operation, this proportional controller features 2 heat 2 cool analog outputs (0 10VDC) along with a dedicated TPM (Time Proportional Modulation) signal, allowing for granular control over damper
US$ 149.50
US$ 145.00
US$ 160.00
