York S1-031-03498-001 Control Board 320720-756 this genuine Lochinvar T&P gauge

this genuine Lochinvar T&P gauge offers the precise measurement required for optimal peak performance and regulatory compliance in pressurized vessels

This lead-free brass unit is a direct replacement for the Watts P3 and LFP3-SWEAT-1/2 models

it maintains reliable performance across a broad pressure range of 0-150 PSI

The hardware is rated for a design working pressure of 450 psi for standard refrigerants

York S1-031-03498-001 Control Board 320720-756 this genuine Lochinvar T&P gaugeThe York S1 031 03498 001 Demand Defrost Control Board is a critical OEM replacement part engineered for high efficiency 14 SEER heat pump systems. As a veteran grade HVAC control board, it is the direct factory successor to the S1 031 03877 000, ensuring seamless integration with York TH4 series units, including models TH4B3622SA, TH4B4822SA, and TH4B6022SA. Unlike standard time temperature defrost boards, this demand defrost module utilizes advanced