It supports a maximum inlet pressure of 1/2 PSI and is critical for applications requiring stable

OEM Compatibility: Replaces Trane BKR0835 and BKR00835

they are all connected internally

We recommend checking your manual for specific HVAC part number matching before installation

it will break both lines of power instead of one

McDonnell & Miller 340400 Seal Assembly 320735-701 It supports a maximum inletThe McDonnell & Miller 340400 Seal Assembly, also categorized under model number SA27T 75, is a critical replacement component engineered for use with Series 25 A make up water feeders. Designed to maintain the integrity of the diaphragm seal within the feeder system, this assembly ensures consistent boiler water level control by preventing bypass leakage between the float and valve chambers. This replacement diaphragm assembly is built to withstand