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Ships within 48 hours · Estimated delivery Sep 2 - Sep 7
500 Psi to 300 Psi
keeping your system performance within spec
Interchangeable Design: Fully compatible with both 168072 and QC-1 part numbers
Professional-Grade Durability: Constructed with high-density materials to withstand extreme thermal cycling and oxidation in high-demand heating environments
McDonnell & Miller 250-3/4-30 Valve 30067439-890 500 Psi to 300 PsiThe McDonnell & Miller 250 3 4 30 (Part Number 181225) is a high capacity 3 4" NPT pressure relief valve engineered specifically for hydronic heating systems and storage tanks. Rated for a set pressure of 30 PSI and a substantial 790,000 BTU capacity, this valve provides critical over pressure protection by utilizing a fail safe spring loaded mechanism. Its heavy duty bronze body and seat, paired with an EPDM rubber diaphragm, ensure resilient
US$ 357.50
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US$ 124.00
