The pressure relief valve is a safety on the boiler that will release above 30 psi. The relief valve is rated for up to 510,000 Btu/hr.
Brand : HTP
Manufacturer Name : Heat Transfer Products
Specifications : 3/4 in MNPT x FNPT, 30 psi
Suitable For Use With : Munchkin™ Honeywell Series 510000 Btu/hr Residential and Commercial Boiler


