Direct OEM Match: Ensures exact physical mounting and electrical compatibility with York and affiliated systems

the Lennox 36N77 and 36N7701 are functionally and physically identical

0 inches water column range allows for fine-tuning to specific system requirements

Is this relay compatible with 24V control circuits

or significant backdraft

Belimo B240 Ball Valve 30067439-890 Direct OEM Match: Ensures exactFor contractors demanding reliable flow control in hydronic systems, the Belimo B240 ball valve delivers consistent performance. This 1 1 2", 2 way valve features a 37 Cv, engineered for precise equal percentage flow control in various HVAC applications. Constructed with a durable nickel plated forged brass body and a robust stainless steel ball and stem, it's built to withstand the rigors of chilled or hot water systems, accommodating temperatures up