providing the variable speed modulation required for modern high-efficiency heat pumps and air conditioners

This part is vital for contractors performing air separator maintenance to restore original design efficiency and ensure quiet

a 998-5100-23 valve kit is the correct professional repair

If the furnace is failing to ignite due to a pressure switch lockout

Watts 0278480 Valve 322838-752 providing the variable speed modulationThe Watts 0278480 (Series 174A) is a heavy duty, 2 inch ASME Section IV certified pressure relief valve engineered for large scale hot water heating boilers and high capacity domestic supply systems. This high capacity safety device is set to a 125 PSI relief pressure, offering a massive discharge rating of 12,170,000 BTU hr. Designed for the rigors of mechanical rooms, its bronze body construction ensures long term durability and resistance to