the entire actuator head must be replaced

When high starting torque is required

this motor fits popular York AHV36C3XT21C and MV12BN21CC models without field modifications

this programmed ECM module eliminates the guesswork of aftermarket tuning

OEM Precision: Guaranteed fit for Reznor power-vented heaters

Belimo B311 Valve R-407A the entire actuator head mustWhen you need precise flow control in hydronic systems, the Belimo B311 valve is a robust choice. This 3 way ball valve HVAC component features a 1 2 inch NPT connection and a 1. 9 Cv rating, engineered for reliable performance in both chilled and hot water applications, accommodating up to 60% glycol solutions. Its nickel plated forged brass body, coupled with a stainless steel ball and stem, ensures durability and resistance to corrosion in