Weil Mclain 510-312-015 Aquastat Freon this specific assembly is sized

this specific assembly is sized for 1" valve bodies

20" PF (inches) set point

featuring an updated white housing and integrated occupancy sensor for proactive energy management

which can sometimes lead to connectivity issues on painted or corroded surfaces

This 10k ohm Type II thermistor is the direct replacement for the Aaon OE231 temperature sensor

Weil Mclain 510-312-015 Aquastat Freon this specific assembly is sizedThe Weil McLain 510 312 015 Aquastat with Well is a critical high limit temperature control designed specifically for hydronic heating systems. Engineered for Weil McLain HE, HE II, and VHE boiler models, this SPST (Single Pole Single Throw) control acts as a safety limit by sensing boiler water temperature directly via the included immersion well. The 510 312 015 features an adjustable temperature range of 100F to 240F and a 5F to 30F adjustable