Conbraco 37LF-201-01 Valve If your current unit uses

If your current unit uses infrared technology and requires part 17317000000514

188" dimensions required for a drop-in replacement

this red coded spring provides the mechanical force necessary for consistent diaphragm modulation in residential and light commercial meter sets

making it suitable for various indoor and outdoor HVAC applications

By utilizing durable metal construction

Conbraco 37LF-201-01 Valve If your current unit usesThe Conbraco 37LF 201 01 is a lead free 1 2" vacuum relief valve engineered for heavy duty commercial and residential water heating systems. This model is the direct replacement for 37 201 01, providing a seamless retrofit into existing piping layouts. Designed to automatically admit air into the supply system, it effectively prevents vacuum conditions that can lead to tank collapse or siphoning. It features a high 15 CFM venting capacity and is rated