making it ideal for sequencing and precise throttling of steam or water valves

it's a critical component for maintaining optimal performance and safety in your hydronic heating systems

you generally require the 013G0290 packing gland

What is the difference between the P170SA-1 and the P170SA-1C

In HVAC safety circuits

Reznor 220554 TXV Refrigerant making it ideal for sequencingEnsure precise refrigerant metering and system stability with the Reznor 220554 thermostatic expansion valve. This authentic OEM TXV is specifically engineered for 4 ton HVAC systems, typically utilized in Reznor rooftop units and high capacity split systems. Featuring 5 8" x 7 8" ODF sweat connections, it facilitates a reliable, leak resistant connection to the liquid and suction lines. The integrated 60 inch capillary tube and sensing bulb allow for