Pay in 4 interest-free payments of $71.56 Learn more
Ships within 48 hours · Estimated delivery Sep 15 - Sep 20
Optimized for 24Vac control systems
Snap-Action Reliability: Features a fixed 280-degree open and 250-degree close cycle (30°F differential) for consistent system response
This diaphragm and washer set is specifically engineered for the Armstrong 90 series family
Can I use this as a replacement for 2-pole relays
Standard failure points include high-voltage surges
Lochinvar & A.O. Smith 100274781 Valve 320734-701 Optimized for 24Vac control systemsThe Lochinvar and A. O. Smith 100274781 Pressure Relief Valve is a critical safety component designed for high efficiency commercial boilers and water heaters. Engineered to handle a set pressure of 125 PSI, this ASME Section IV certified valve prevents catastrophic system failure by relieving excess pressure during thermal expansion or control malfunctions. This specific model features a 3 4 inch NPT inlet and outlet, providing a high BTU discharge
US$ 42.95
US$ 199.00
US$ 52.95
US$ 21.95
US$ 24.95