Lochinvar 100170641 Limit Switch 100170641 Refrigerant if the switch remains open

if the switch remains open above 71°F

What is the purpose of the plastic cap provided with the valve

Can I use a sealant to repair my old pan instead of replacing it

This stainless steel unit acts as a direct replacement for Q35RG-1

If there is evidence of heavy oxidation

Lochinvar 100170641 Limit Switch 100170641 Refrigerant if the switch remains openThe Lochinvar 100170641 Limit Switch is a critical safety component designed for high performance hydronic systems, serving as the direct OEM replacement for the obsolete TST30010. Engineered with an operating range of 30 210F, this auto reset high limit switch monitors internal water temperatures to prevent catastrophic overheating in Lochinvar Copper Fin II boilers and pool heaters. When temperatures exceed the 210F threshold, the switch opens the