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Ships within 48 hours · Estimated delivery Sep 15 - Sep 20
While converting a system from a piston to a thermal expansion valve is possible
Simplified Service: Direct OEM fitment eliminates burner assembly modifications during HVAC sensor maintenance
ensuring the burner only ignites when sufficient hydraulic pressure is detected
This HVAC circuit board is supplied brand new in original factory packaging
Environmental Protection: The IP67 rating ensures the internal magnetic reed switch remains dustproof and waterproof
Watts 0382822 Relief Valve 326058-757 While converting a system fromThe Watts 0382822 (Series 174A) is a high capacity boiler pressure relief valve designed specifically for large scale commercial and institutional hot water heating systems. Featuring a 1 inch NPT threaded inlet and outlet, this valve is factory set to trip at 55 PSI to protect equipment from over pressurization. Its robust construction includes a bronze body and a silicone rubber disc that provides consistent reseating even after multiple lift
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