21-104-00 | 1/2"BrzWtrGauge 5/8"x12"GLASS | Conbraco Industries Product Type_A0010864939 Caleffi Zone Pump Relay (ZSR103)

Caleffi Zone Pump Relay (ZSR103) The Caleffi ZSR103 Zone Pump Relay provides precise control and sequencing for up to three zones in hydronic heating and cooling systems

facilitating advanced control and monitoring capabilities

making it ideal for testing low-pressure gas systems

Sporlan Controls 1/4x1/2 R-22 1Ton TXV: Reliability and Efficiency for HVAC SystemsThe Sporlan Controls 1/4x1/2 R-22 1Ton TXV (Thermal Expansion Valve) is an essential component for maintaining optimal performance in HVAC systems

you can improve air circulation

21-104-00 | 1/2"BrzWtrGauge 5/8"x12"GLASS | Conbraco Industries Product Type_A0010864939 Caleffi Zone Pump Relay (ZSR103)1 2" BrzWtrGauge 5 8" x 12" Glass [sku]: 21 104 00 This 1 2" bronze water gauge from Conbraco Industries features a 5 8" x 12" glass tube for clear and precise liquid level monitoring. Ideal for industrial and commercial applications, this gauge is designed for durability and accuracy. Its construction ensures reliable performance under various pressure and temperature conditions. [CTA]: our HVAC supply store offers this dependable water gauge at