securing the long-term reliability of your air conditioning or heat pump system

the Zonefirst SPRD-18 is compatible with vertical installations

This Trane centrifugal blower is designed to meet strict furnace draft inducer specifications

this filter provides the precise micron rating required to protect internal tolerances

Watts 0275464 Valve 320734-701 securing the long-term reliability ofProfessional grade Watts 0275464, a high capacity Series 174A boiler pressure relief valve, is engineered for critical overpressure protection in large scale hot water heating and domestic supply systems. Constructed with a heavy duty bronze body and a rugged stainless steel spring, this 1 inch NPT valve is factory set to a 150 psi pressure relief setting and delivers a high volume discharge capacity of 3,795,000 BTU hr. The 174A series utilizes a non