XPS-040V/U ISD Product plus the ability to control

plus the ability to control a wide variety of staged and modulating terminal equipment

Selection of the correct ionizer current is accomplished by moving the P5 shorting bar to the proper position

Alternatively

The cartridges used in VC-Series valves determine the Cv(kv) rating and flow of a valve body and can be replaced to match original factory specifications

General Purpose Relays: This general purpose switching relay from Resideo has a 24 VAC coil and works with low voltage applications

XPS-040V/U ISD Product plus the ability to controlXPS Series Expansion Tanks absorb hot water expansion in closed heating systems in larger installations. They have butyl diaphragms to separate clamped design, keep fluids circulating and maintain minimum system pressure.