This model features a 3/4 inch MNPT inlet and a 1 inch FNPT side outlet

When swapping out legacy housing

The Sporlan 958016P Valve

a normally open solenoid valve is used in the vent line between two shut-off valves

Taco 008-F6 Circulator 326010-701 This model features a 3/4The Taco 008 F6 is a high performance cartridge circulator pump specifically engineered for residential and light commercial hydronic heating systems. Featuring a 1 25 HP 115V motor, this cast iron flanged circulator is the go to choice for technicians managing high head requirements in applications like radiant in floor heating, solar loops, and hydro air fan coils. The signature 00 series design includes a self lubricating, maintenance free motor