Watts 0009162 Valve 318518-761 it eliminates the balancing issues

it eliminates the balancing issues and vibration common with universal alternatives

and Coleman air handlers including the AHP18B2AH21 and AHP30B4HH21 series

If your system utilizes a variable frequency drive

Industrial-Grade Construction: Built to withstand the thermal and mechanical stresses of high-cycling steam environments

Watts 0009162 Valve 318518-761 it eliminates the balancing issuesThe Watts 0009162 1" LF U5B LP Z3 is a high performance lead free water pressure reducing valve engineered specifically for low pressure commercial and industrial applications. This 1 inch water pressure regulator features a durable lead free cast copper silicon alloy body and is factory set at 30 psi, with an adjustable reduced pressure range of 10 35 psi. For technicians, the LFU5B Z3 series simplifies maintenance with a fully serviceable in line