Resideo HYDROSEP-103-U Connection 340155-7024 With its end-hinge mounting and

With its end-hinge mounting and large spring contacts

the R400S-3/8 eliminates the need for external vent piping in most jurisdictions when used with a vent limiting device

15-4 Valve Body is a high-performance 1/2 inch 3-way seat valve engineered for precision fluid control in closed-circuit HVAC systems

Its robust construction minimizes common ignition failures

this startup relay replacement is a critical part of a complete HVAC repair kit

Resideo HYDROSEP-103-U Connection 340155-7024 With its end-hinge mounting andThe Resideo HYDROSEP 103 U is a high performance 1. 25 inch hydraulic separator union designed to optimize critical flow management between primary and secondary piping circuits. As a veteran technician, you know that managing delta T and preventing circulator conflict is essential for modern condensing boilers and air to water heat pumps. This magnetic hydraulic separator functions as a three in one solution, acting as a low loss header to decouple